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Mon, 21 Dec 2020 13:14:46 -0500 (EST) Subject: Re: WG: How to properly setup for snapshots To: Roman Mamedov References: <20201221223701.0845e9ad@natsu> From: Remi Gauvin Autocrypt: addr=remi@georgianit.com; prefer-encrypt=mutual; keydata= mQENBFogjcYBCADvI0pxdYyVkEUAIzT6HwYnZ5CAy2czT87Si5mqk4wL4Ulupwfv9TLzaj3R CUgHPNpFsp1n/nKKyOq1ZmE6w5YKx4I8/o9tRl+vjnJr2otfS7XizBaVV7UwziODikOimmT+ sGNfYGcjdJ+CC567g9aAECbvnyxNlncTyUPUdmazOKhmzB4IvG8+M2u+C4c9nVkX2ucf3OuF t/qmeRaF8+nlkCMtAdIVh0F7HBYJzvYG3EPiKbGmbOody3OM55113uEzyw39k8WHRhhaKhi6 8QY9nKCPVhRFzk6wUHJa2EKbKxqeFcFzZ1ok7l7vrX3/OBk2dGOAoOJ4UX+ozAtrMqCBABEB AAG0IVJlbWkgR2F1dmluIDxyZW1pQGdlb3JnaWFuaXQuY29tPokBTwQTAQgAOQIbIwYLCQgH AwIGFQgCCQoLBBYCAwECHgECF4AWIQSSAGs/9alRnpiyqu3vU5/yR0VqbQUCX0/x5AAKCRDv U5/yR0VqbQ7KB/4+uGx/8cGdUrEhF3z6uBzvGrEfRoPLC6rLzjYntv9WC/s5IvaN1JY21D0e eJ69jh6tWOUCsD9X3J2tqGGs7LoRsK7UASFp7yYBVAvnjk103rZur7whHiT57/Oc5DEghXHK xs6w6YW4kPlJpe4SiPKK99f3PoZKthCdmLApUGHz7ROCbOXumpxZR3Em2LaGU8MI/R1eMCwK agzPl3dQGxcVlerDyCAtF1MzMw7LS/pAT/jxuEoq6hbkZ9/ZnCQomQe4CgWkmoD5Ec7p1FCI jqU5RO467uF0vkeTU6F+n2/qA38M0FAhYwZU+/hlqP8OYey2X0PuHDzw03P95hcpEi52uQEN BFogjcYBCACjRjoVfzhCwOlHyQUSoyGmSN5VClvBiGoGAgUlPlwExClmweac6ClhTQmjw/ej AdQW7nr2DqPj7BK5tuHb5u1YvRCgVlyeDRrb+Peof3yD2UCfxmCiHFq+bBgg23tv4sR4OgG+ rSz/Rl5fHjsw6ZuNE6rwv+BA5hshagks7Z6bLGZWjUWDTQUqRu4ISAk9bxT/tVfgQVhoiE9C /8reamfJZcirmW+KIwIfPESPMGH/fkNMvDKYN2a3NaBy7WvNnqPaz7htPETyZhd3iXZeiefu /jjyDC9CZknwQ+mU7+lZ70WghLKI3FmdA0JUQ72Uxqco8WmF9UeonVYS1gyIvFORABEBAAGJ ATYEGAEIACACGwwWIQSSAGs/9alRnpiyqu3vU5/yR0VqbQUCX0/x5AAKCRDvU5/yR0VqbdSW CADCAV68zw465qHEouJbrMLlm6jWFM7qNt0/us5KyDmxHm64x0dzHWNtlfklZ2OO3llgem9V 8JqVU335usScXKfp9PERa8MfK06XCYC9+TgBwsH6N6XM3HuWlvRQctqg/tPj8JGvo+PnOnB7 OpLaIsONJXJApKNKcQxu5ZazZB4Wa5MTgqta6A7Ue1zVkoIPI/fQXlIUuWLaL+x5SMisHeLr MYwpA4h8UI3Wj8m1uO8+GKcwe8O/77o2H6PufoLHc4/MmODExRgxNZ48F2DZFopBT8RQO8Hv 2zadWA60y8/LX84GsNS7IPYrYZ10NCXOt8a1+wcSaCVYRm24Yc1/Fktj Cc: linux-btrfs Message-ID: <108a3254-f120-b5fe-2b7f-f363cbe34158@georgianit.com> Date: Mon, 21 Dec 2020 13:14:45 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <20201221223701.0845e9ad@natsu> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 2020-12-21 12:37 p.m., Roman Mamedov wrote: > > As such there's no benefit in storing snapshots "inside" a subvolume. There's > not much of the "inside". Might as well just create a regular directory for > that -- and with less potential for confusion. Maybe I was complicating things for a baby step primer,, but there *are* very good benefits to putting snapshots in a subvolume. That subvolume can be moved into other subvolumes, A directory that contains ro snapshots can not. This will not matter if your only subvolume is the filesystem root, but if things were later be subdivided into other subvolumes, it will make things much quicker and easier to be able to move the .my_snapshots subvolume.